Between 1994 and 2000 it was awarded biennially.
The Richard Sullivan Prize for short fiction has been awarded biennially since 1996.
The distinction is awarded biennially to personalities that have significantly promoted art and culture in Germany.
This is the Society's principal prize, awarded biennially for an outstanding contribution of current importance in microbiology.
It has been awarded yearly since 1980, except for the period 1984-94 when was awarded biennially.
Awarded biennially, the £25,000 prize funds the work of arts patrons and supporters who inspire young artists to achieve excellence.
The medal is awarded biennially and the recipient receives $50,000 in prize money.
It is awarded biennially to Finnish illustrators of children's books.
The prize has been awarded biennially since 2005 during the meeting of the IAC.
It is awarded biennially for excellence in physical organic chemistry embracing the relationship between structure and reactivity.
